Ovislink N.Power, Air Live N.Power User Manual

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N.Power

Hi-Power Wireless-N PoE AP Router

User’s Manual

Page 2

AirLive N.Power User’s Manual

No part of this publication may be reproduced in any form or by any means, whether electronic, mechanical, photocopying, or recording without the written consent of OvisLink Corp.

OvisLink Corp. has made the best effort to ensure the accuracy of the information in this user’s guide. However, we are not liable for the inaccuracies or errors in this guide. Please use with caution. All information is subject to change without notice

All Trademarks are properties of their respective holders.

This product contains some codes from GPL. In compliance with GPL agreement, AirLive will publish the GPL codes on our website. Please go to www.airlive.com and go to the "Support → GPL" menu to download source code

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FCC Statement

Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

z Reorient or relocate the receiving antenna.

z Increase the separation between the equipment and receiver.

z Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

z Consult the dealer or an experienced radio/TV technician for help.

FCC Caution

Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. For product available in the USA/Canada market, only channel 1~11 can be operated. Selection of other channels is not possible.

This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter.

IMPORTANT NOTE

FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

AirLive N.Power User’s Manual

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Table of Contents

i AirLive N.Power User’s Manual

Table of Contents

1. Introduction................................................................................................1

1.1 Overview..............................................................................................1

1.2 Firmware Upgrade and Tech Support ..................................................1

1.3 Features...............................................................................................2

1.4 Operation Modes .................................................................................2

1.4.1 Router Mode................................................................................................3

1.4.2 AP mode ......................................................................................................

1.4.3 Client Mode .................................................................................................

1.4.4 WDS Bridge Mode.......................................................................................4

1.4.5 WDS Repeater Mode...................................................................................5

2. Installing the N.Power ...............................................................................6

2.1 Before You Start...................................................................................6

2.2 Package Content .................................................................................6

2.3 Knowing your N.Power ........................................................................7

2.4 Hardware Installation ...........................................................................8

2.4.1 Passive PoE Installation ............................................................................10

2.4.2 Wall Mount Installation............................................................................... 11

2.5 LED Table ..........................................................................................12

2.6 Restore Settings to Default................................................................12

3. Configuring the N.Power.........................................................................13

3.1 Important Information......................................................................13

3.2 Prepare your PC .............................................................................13

3.3 Introduction to Web Management...................................................14

3.3.1 Getting into Web Management ..................................................................14

3.3.2 Web Menu Structure ..................................................................................15

3.4 Configuration Wizard.......................................................................16

3.5 Change Operation Mode.................................................................17

3.6 Change Regulatory Domain............................................................18

3.7 WPS (WiFi Protected Setup)...........................................................18

3.7.1 AP

and Router Modes........................................................................... 19

3.7.2 Client Mode ...........................................................................................21

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4. Configuration: Router Mode.................................................................23

4.1 Application for Router Mode...............................................................23

4.2 Internet Setting Menu.........................................................................23

4.2.1 Setup Wizard .............................................................................................24

4.2.2 WAN Setting ..............................................................................................25

4.2.3 Virtual Server.............................................................................................26

4.2.4 DMZ........................................................................................................... 27

4.2.5 URL Filtering..............................................................................................28

4.2.6 MAC Filtering.............................................................................................28

4.2.7 IP Filtering .................................................................................................

4.2.8 DDNS ........................................................................................................

4.2.9 Static Route ...............................................................................................30

4.3 FTP Function .....................................................................................30

4.4 Wireless Settings Menu .....................................................................33

4.4.1 Regulatory Domain.................................................................................... 33

4.4.2 Multiple SSID.............................................................................................34

4.4.3 Channel .....................................................................................................34

4.4.4 Wireless Security.......................................................................................35

4.4.5 Access Control...........................................................................................36

4.4.6 Bandwidth Control .....................................................................................37

4.4.7 Associated Client .......................................................................................38

4.4.8 Advanced Settings .....................................................................................38

4.4.9 WMM Settings ...........................................................................................40

4.4.10 WDS Settings (Repeater) ........................................................................43

4.4.11 WPS Settings...........................................................................................

5. System Configuration and Status Menu................................................47

5.1 Menu Structure ..................................................................................47

5.2 LAN Interface Setup ..........................................................................48

5.2.1 DHCP Settings ..........................................................................................

5.2.2 Add DHCP Static Lease Client...................................................................49

5.3 Time Settings .....................................................................................49

5.4 Password Settings .............................................................................50

5.5 Power Saving (Green AP)..................................................................50

5.6 Firmware Upgrade .............................................................................51

5.7 Configuration Save and Restore........................................................52

5.8 Factory Default ..................................................................................52

5.9 Status Menu .......................................................................................52

5.9.1 Device Information..................................................................................... 52

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5.9.2 Statistic ......................................................................................................53

5.9.3 Client Table................................................................................................54

5.9.4 LOG........................................................................................................... 54

6. AP Mode....................................................................................................55

6.1 Application for AP Mode.....................................................................55

6.2 Wireless Settings ...............................................................................55

6.2.1 Regulatory Domain.................................................................................... 56

6.2.2 Multiple SSID.............................................................................................56

6.2.3 Channel .....................................................................................................57

6.2.4 Wireless Security.......................................................................................

6.2.5 Access Control...........................................................................................

6.2.6 Associated Client .......................................................................................59

6.2.7 Advanced Settings .....................................................................................59

6.2.8 WMM Settings ...........................................................................................61

6.2.9 WDS Settings (Repeater) .......................................................................... 64

6.2.10 WPS Settings ..........................................................................................65

7. Client Mode...............................................................................................67

7.1 Application for Client Mode ................................................................67

7.2 Wireless Settings ...............................................................................67

7.2.1 Regulatory Domain.................................................................................... 68

7.2.2 Profile Setting ............................................................................................68

7.2.3 Site Survey ................................................................................................69

7.2.4 Advance Settings .......................................................................................70

7.2.5 WPS Settings ............................................................................................71

8. WDS Bridge Mode....................................................................................74

8.1 Application for WDS Bridge Mode......................................................74

8.2 Wireless Settings ...............................................................................74

8.2.1 Regulatory Domain....................................................................................

8.2.2 Advance Setup ..........................................................................................

8.2.3 WDS Settings ............................................................................................77

9. Emergency Firmware Recovery .............................................................79

10. Frequent Asked Questions ...................................................................81

11. Specifications.........................................................................................84

11.1 Hardware Features ..........................................................................84

11.1.1 General Hardware Feature ......................................................................84

11.1.2 Power Supply...........................................................................................84

11.1.3 Dimension and Weight.............................................................................

11.2 Radio Specifications.........................................................................85

11.2.1 Frequency Band.......................................................................................85

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11.2.2 Rate and Modulation................................................................................85

11.2.3 TX Output Power .....................................................................................85

11.2.4 Receiver Sensitivity..................................................................................86

11.2.5 Supported WLAN Mode ...........................................................................86

11.3 Software Features............................................................................86

12. Wireless Network Glossary...................................................................88

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1. Introduction

1 AirLive N.Power User’s Manual

1. Introduction

1.1 Overview

The N.Power is a wireless multi-function router based on 150Mbps wireless-b/g/n 2.4GHz radio technologies. Users can share broadband internet connection at high speed. It also provides to 4 operation modes to satisfy different application environments. In addition, it features passive PoE port for installations in places that have no nearby access to electricity.Please take notice of the following features:

 The N.Power can support 12V on its passive PoE port. You will need to purchase a passive

PoE Injector (PoE-1P) separately. For more information, please read section 2.4.1.



The maximum output power for N.Power at the antenna connector is about 1watt(30dBm). However, it is limited to 20dBm in EU and 23dBm in the U.S. for compliance with regulations. Nevertheless, unlike normal 11n routers that typically provide less than 15dBm output power in 11n mode, the N.Power can provides up to 19dBm(EU) and 22dBm(FCC) in 11n mode. It means greater coverage in 11n mode. Despite of N.Power’s capability, we strongly recommend that you use as little power as possible to reduce interference and conserve energy.

 The N.Power comes with an USB 2.0 port for simple file sharing via FTP. For instruction on

how to configure the FTP function, please go to Chapter 4.3

If you encounter any technical issues, we strongly recommend you read through Chapter 10: Frequent Asked Questions. The answers you need are very likely to be there.

1.2 Firmware Upgrade and Tech Support

If you encounter a technical issue that can not be resolved by information on this guide, we recommend that you visit our comprehensive website support at www.airlive.com. The tech support FAQ are frequently updated with latest information.

In addition, you might find new firmwares that either increase software functions or provide bug fixes for N.Power. You can reach our on-line support center at the following link: http://www.airlive.com/support/support_2.jsp

Since 2009, AirLive has added the “Newsletter Instant Support System” on our website. AirLive Newsletter subscribers receives instant email notifications when there are new download or tech support FAQ updates for their subscribed airlive models. To become an AirLive newsletter member, please visit: http://www.airlive.com/member/member_3.jsp

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1. Introduction

AirLive N.Power User’s Manual

N.Power

1.3 Features

 Wireless-N AP Router

 Up to 30dBm Output Power at antenna connector (20dBm in EU, 23 dBm in the U.S.)

 1 x USB 2.0 Port

 7 LED indicators

 Hotspot authentication function

 150Mbps 1T1R Wireless-b/g/n standard

 12V Passive POE Port

 WAN port for ADSL/Cable Modem support

 Router, AP, Client, Bridge, Repeater modes

 Bandwidth Control

 8MB Flash, 32MB SDRAM

 Green AP energy saving function

 Wall Mount Screw Holes

 Emergency firmware recovery mode

1.4 Operation Modes

The N.Power can perform as a multi-function wireless device. Through the AirLogic web interface, users can easily select which wireless mode they wish the N.Power to perform.

The N.Power can be configured to operate in the following wireless operation modes:

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1. Introduction

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N.Power Wireless Operation Mode

Wireless Mode

Radio WAN Application

Sharing Internet Broadband Wirelessly

Router AP Yes

Hotspot only or extend distance of another WDS AP/Router

AP AP none

Client Client none Connect to AP Router WDS Bridge WDS none Create a backbone connection

Extend the wireless signal. WDS Repeater setting is inside the “Wireless Settings” of Router mode and AP Mode.

WDS Repeater

AP + WDS N/A

1.4.1 Router Mode

In this mode, you can share your Internet connection both wired and wirelessly. The NAT is applied for IP Sharing function from your WAN port to the LAN ports and wireless interface.

1.4.2 AP mode

When operating in the Access Point mode, the N.Power becomes the center hub of the wireless network. All wireless cards and clients connect and communicate through N.Power. This type of network is known as “Infrastructure network”. Other N.Power or

802.11 b/g/n devices can connect to AP mode through Client Mode.

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1. Introduction

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1.4.3 Client Mode

The N.Power acts as if it is a wireless adapter to connect with a remote Access Point.

Users can attach a computer or a router to the LAN port of N.Power to get network access.

1.4.4 WDS Bridge Mode

This mode is best used when you want to connect LAN networks together wirelessly (for example, between office and warehouse). WDS Bridge using WPA-PSK or WPA2-PSK encryptions might be limited to devices using the same wireless chipset.

WDS Bridge works by entering remote Bridge’s wireless MAC address on the WDS table. You can find the MAC address on the bottom label of the N.Power.

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1. Introduction

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1.4.5 WDS Repeater Mode

The purpose of repeater is to extend the wireless signal of the remote AP/Router. In

N.Power, the AP mode and the Router mode also turn it to “WDS Repeater mode.” You can find the WDS settings in the “Wireless Settings” page.

Both sides must support WDS

connection to work.

WDS Repeater in Router Mode

The WDS Repeater function in Router mode is to allow the remote AP to extend the wireless signal of N.Power. Please see the diagram below:

WDS Repeater in AP Mode

The WDS Repeater function in AP mode is to extend the wireless signal of remote AP. Please see the diagram below for details:

For information on how to configuration WDS Repeater, please go to section 4.4.10 or section 6.2.9.

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2. Installing the N.Power

AirLive N.Power User’s Manual

2. Installing the N.Power

This section describes the hardware features and the hardware installation procedure for the N.Power. For software configuration, please go to chapter 3 for more details.

2.1 Before You Start

It is important to read through this section before you install the N.Power

 The LAN1 port also work as the passive POE port

 You must install the antenna first before plugging in the power. Otherwise,

the wireless radio might be damaged. Damage caused by not following the installation procedure might void your warranty.

 The passive PoE DC Injector is optional; it is not included with the package.

Please use a 12V passive POE system with N.Power’s passive POE port. Do not use 802.3af 48V system or PoE switch with this device.

 To protect the N.Power USB port from damage, please turn off the power when

plugging in or pulling out USB device from the USB port.

 The USB port supports simple file sharing via FTP. Only storage using FAT or

FAT32 file format are supported.

 The FTP functions only support file names with western alphabets (such as

English).

 When using a USB hard disk with N.Power, external power adapter is required

for the USB hard disk.

2.2 Package Content

The N.Power package contains the following items:

 One N.Power main unit



One 12V 1A DC power adapter



1 x Antenna



User’s Guide CD



Quick Start Guide

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2. Installing the N.Power

7 AirLive N.Power User’s Manual

2.3 Knowing your N.Power

Below are descriptions and diagrams of the product:

Antenna Connector

Power Adapter Connector

WAN Port 3

LAN Ports (LAN1 for Passive PoE Port)

Reset Button

5 6

WPS Button

USB Port (For USB Storage Use)

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2. Installing the N.Power

AirLive N.Power User’s Manual

LED Indicators

2.4 Hardware Installation

.1. Please install the antennas by turning clock wise into the RF antenna connectors

2. Now connect the power adapter to the N.Power

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2. Installing the N.Power

9 AirLive N.Power User’s Manual

3. Connect the Ethernet cable to one of the LAN port and the other end to your PC.

4. If you have broadband connection, please connect the Internet cable to “WAN port”.

5. Open your browser and type “192.168.1.254” to access the web management interface.

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2. Installing the N.Power

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2.4.1 Passive PoE Installation

If you want to supply the power by using Passive PoE, please follow the installation diagram below. Please note that the passive DC Injector is not included with N.Power, it needs to be purchased separately (AirLive Model: PoE-1P). N.Power uses 12V passive PoE system, it doesn’t work with 802.3af PoE switch or 48V PoE Kit. It is recommended to use a power adapter of 12Vdc at 1.25A or greater if you have the USB Storage installed.

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2. Installing the N.Power

11 AirLive N.Power User’s Manual

2.4.2 Wall Mount Installation

1. The holes for the wall mount screw are on the underside of the case. Please measure the

distance between the holes. Then install 2 screws in the desire location with the measured distance apart from each other. Please do not screw all the way in, leave some space for mounting with the N.Power

2. Now please hang the N.Power on those 2 screws.

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2. Installing the N.Power

AirLive N.Power User’s Manual

2.5 LED Table

This section describes the LED behavior of N.Power. You can find the LED on the top side of the N.Power.

WPS (Power)

Steady Blue – Normal Operation Slow Flashing: WPS Surveying OFF – No Power

WLAN

Slow Flashing : Radio is active Fast Flashing: Transmitting Data

OFF: Radio Disabled

LAN1 ~4, WAN

Steady Blue : Link established Fast Flashing: Transmitting Data

OFF: No Link

2.6 Restore Settings to Default

If you have forgotten your N.Power’s IP address or password, you can restore your N.Power to the default settings by pressing on the “reset button” for more than 10 seconds. You might need a pen or pencil for this operation. The reset button is inside the bottom case. Please see diagram below for details.

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3. Configuring the N.Power

13 AirLive N.Power User’s Manual

The N.Power offers web browser (http) as management interface. In this chapter, we will explain N.Power’s management interface and how to get into them.

3.1 Important Information

The following information will help you to get start quickly. However, we recommend you to read through the entire manual before you start. Please note the password and SSID are case sensitive.

 The default IP address is: 192.168.1.254 Subnet Mask: 255.255.255.0

 The default Account is “admin”

 The default Password is “airlive”

 The default SSID is “airlive”

 The default wireless mode is : Router mode

 Please remember to “Apply Change” for settings to be saved and take effect.

 Please remember to “Reboot” the device after all settings are changed.

 The Emergency Firmware Recovery only works when you connect to LAN1~4

 By Default, the DHCP server is turned on in Router mode. The other modes’

DHCP servers are turned off. Therefore, if you switch from Router mode to other modes, please remember to configure your PC’s IP address manually.

 The default regulatory domain is “ETSI” for Europe. If you are not living in EU

countries, you might wish to change the regulatory domain. However, please do not choose regulatory domain that does not apply to your country. Using wrong regulatory domain might be illegal.

 For instruction on how to configure the FTP function, please go to Chapter 4.3

3.2 Prepare your PC

The N.Power can be managed remotely by a PC through either the wired or wireless

network. The default IP address of the N.Power is 192.168.1.254 with a subnet mask of

255.255.255.0. This means the IP address of the PC should be in the range of

192.168.1.1` to 192.168.1.253.

3. Configuring the

N.Power

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3. Configuring the N.Power

AirLive N.Power User’s Manual

To prepare your PC for management with the N.Power, please do the following:

1. Connect your PC directly to the LAN port on the DC Injector of N.Power

2. Set your PC’s IP address to “Obtain an IP address Automatically”. The N.Power

should provide your PC a valid IP address.

3. If you want to set your PC’s IP address manually, please set to 192.168.1.50 (or other

address in the same subnet)

You are ready now to configure the N.Power using your PC.

3.3 Introduction to Web Management

The N.Power can be configured using the Web management interfaces by simply typing its IP address in the web browser. Most functions of N.Power can be accessed by it.

If you are placing the N.Power behind router or firewall, you might need to open the port 80 at virtual server on your firewall/router. This procedure is not necessary in most cases unless there is a router/firewall between your PC and N.Power.

3.3.1 Getting into Web Management

To get into the Normal Web Management, simply type in the N.Power’s IP address (default IP is 192.168.1.254) into the web browser’s address field.

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3. Configuring the N.Power

15 AirLive N.Power User’s Manual

3.3.2 Web Menu Structure

We recommend users to browse through N.Power’s web management interface to get an overall picture of the functions and interface.

After you enter the Web configuration, the following screen will appear:

Internet Settings

Language Selection

 Internet Settings: When you choose Router mode, the “Internet Settings” bottom

will be shown and you will be able to configure internet related functions here. This menu will disappear when you switch to other wireless mode.

 Wireless Settings: The N.Power’s wireless settings are different between wireless

modes. Only functions that are applicable to the wireless mode will show to simplify configuration. You can also change the operation mode from this menu. For explanation of different wireless modes, please refer to Chapter 1.

 System Configuration: All non-wireless and router mode settings are in this

category. The system configurations including changing password, upload

firmware, backup configuration..

 Status: This section for monitoring the status of N.Power. It provides information

on Device Information, Statistic, Client table, and Log.

 Reboot: Most of settings will require to click the “Reboot” bottom to take effect the

settings you applied.

 Language Selection: You can change the language for the Web interface from

here.

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3. Configuring the N.Power

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3.4 Configuration Wizard

The configuration Wizard is the first screen you will see after you login. It will ask you a few questions to setup your wireless and broadband connection quickly.

Step 1: Please enter your own SSID and Encryption Key. The default encryption type is

WPA2-PSK (AES). The encryption key should be at least 8 alphanumeric characters.

Step 2: Choose your Broadband Connection type. If you are not sure about setup

information, please ask your ISP for parameters.

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3. Configuring the N.Power

17 AirLive N.Power User’s Manual

Step 5: Please click “Finish” to reboot the system if you are sure about all settings.

3.5 Change Operation Mode

The wireless settings of N.Power are dependant on the wireless operation mode you choose. For explanation on when to use what operation mode, please refer to Chapter 1

Changing Mode Procedure:

1. Select “Wireless Setting”

2. Choose your required wireless mode.

3. The AP might ask you to confirm the mode change. Once confirm, the AP will reboot to its new mode.

Note: When you change from Router mode to other modes, the DHCP server will be turned off. In

this case, you must manually configure your PC’s IP address to the same subnet as the

N.Power. Likewise, when you change from other modes to Router mode, the DHCP server will be

turned on.

Mode Change

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3. Configuring the N.Power

AirLive N.Power User’s Manual

3.6 Change Regulatory Domain

The Regulatory Domain settings will decide what channels and output power are available for your N.Power. You must choose the correct Regulatory Domain for your country. Using the incorrect Regulatory Domain might be illegal. Please check the summary table below.

If you are unsure about what Regulatory Domain to use, please use “ETSI(Europe)” and restrict yourself to use only Channel 1 to 11.

Regulatory Domain Table

Domain Channels Maximum Tx Output

Power

Countries

ETSI (Europe) 1~13 20dBm EU countries

FCC(United States) 1~11 23dBm The United States and other

countries that use U.S.A regulation for WiFi.

South America (11ch)

1~11 30dBm South American countries that

follow channels of FCC domain.

South America (14ch)

1~14 30dBm South American countries that

allow use of all channels in

2.4GHz.

The default Regulatory domain is ETSI(Europe). If you need to change the Regulatory Domain, please go to “Wireless Settings”->”Regulatory Domain” menu. After changing the Regulatory Domain, the device will reboot to the new settings.

3.7 WPS (WiFi Protected Setup)

WPS is a system that simplifies the process to established wireless security. There are two ways to configure WPS connection:

1. PBC (Push Button Communication) using hardware or software:

Push WPS buttons on both AP and Client site, the WPS connection will connect automatically. You can find N.Power’s WPS Push button on the back of the router.

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3. Configuring the N.Power

19 AirLive N.Power User’s Manual

2. PIN (Personal Information Number) Enrollee and Registrar:

WPS Registrar site should be entered the PIN Code from Enrollee site, the WPS connection will connect automatically.

It is recommended to use the first option as it is much simpler to configure.

3.7.1 AP and Router Modes

Example1: Using Hardware Push button

Please push WPS button directly on the back of the N.Power. The “WPS” LED flash will light and the N.Power will start to survey the client’s WPS signal in the current environment.

Please be noticed that, within two minutes, you have to turn on the utility of your wireless network card and click PBC to connect automatically.

If you also have a hardware WPS button on your wireless card, you can push the button immediately now. If not, you can usually find the WPS PBC function in the wireless utility. Below is an example using AirLive WN-360USB wireless network card to connect with N.Power.

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3. Configuring the N.Power

AirLive N.Power User’s Manual

Example 2: WPS Using PIN

Please login N.Power’s Web UI. Select Wireless Setting Æ WPS Setting. In the WPS Progress, select “PIN” then “Apply.” You will get a PIN Code.

PIN Code

Then, please turn on the utility of your wireless network card. Choose WPS mode to “Registrar” and enter the PIN Code. Press “PIN” and the connection will automatically configure.

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3. Configuring the N.Power

21 AirLive N.Power User’s Manual

3.7.2 Client Mode

Example 1: Using WPS hardware button

Please push WPS button directly on the back of the device. The “WPS” LED flash will light and the N.Power will start to survey the AP’s WPS signal in the current environment.

Within two minutes, please push WPS button on your AP device, the connection will automatic successfully.

Example 2: WPS using PIN

Please login N.Power’s Web UI. Select Wireless Setting Æ change to Client mode Æ Client WPS Setting.

Select the SSID that you want to connect. Choose WPS mode to “Enrollee” and get a PIN Code in the field. Then press “PIN Start” and the “WPS” LED flash will light two minutes on the device’s housing.

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3. Configuring the N.Power

AirLive N.Power User’s Manual

Copy PIN Code

Under AP site, Select Wireless Setting Æ WPS Setting.

Choose WPS mode to “PIN” then

enter the PIN Code Æ click “Apply” and the connection will automatically configure.

Enter PIN Code

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4. Configuration: Router Mode

23 AirLive N.Power User’s Manual

In this chapter, we will explain about the wireless settings for Router Mode. Please be

sure to read through Chapter 1.5 and Chapter 3’s “Introduction to Web Management”.

4.1 Application for Router Mode

The router mode is the main operation mode of the N.Power. In this mode, you can share your Internet connection both wired and wirelessly. The NAT is applied for IP Sharing function from your WAN port to the LAN ports and wireless interface.

4.2 Internet Setting Menu

The Internet Setting Menu is the first menu you will see after login to N.Power. All WAN related configurations can be found here. This menu will not appear in any other modes.

4. Configuration: Router

Mode

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4. Configuration: Router Mode

AirLive N.Power User’s Manual

4.2.1 Setup Wizard

The configuration Wizard is the first screen you will see after you login. It will ask you a few questions to setup your wireless and broadband connection quickly.

Step 1: Please enter your own SSID and Encryption Key. The default encryption type is

WPA2-PSK(AES). The encryption key should be at least 8 alphanumeric characters.

Step 2: Now, please choose the WAN type and enter your account information. If you

are not sure about setup information, please ask your ISP for parameters.

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4. Configuration: Router Mode

25 AirLive N.Power User’s Manual

Step 5: Please click “Finish” to reboot the system if you are sure about all settings.

4.2.2 WAN Setting

Internet Settings -> WAN Settings

 WAN Connection Type: Choose your ISP connection Type. If you are using ADSL

connection, the most likely connection type is PPPoE. If you are using Cable Modem, the most likely connection type is DHCP. However, please consult with your ISP

about the correct setting first.

 TTL: Time to Live is a 8-bit value in the IP header. Your ISP might require to set this

value to work. Please consult with your ISP settings to check if setting the TTL is required. In most cases, it is not. If it is required, please enable TTL then enter the

value in the below field.

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 MAC address clone: If your ISP lock Internet access by MAC address of your PC.

You might need to enable this function and enter your PC’s MAC address here.

 Enable UPnP: Enable universal plug and play  Enable Response to PING: Please enable this if you want N.Power to response to

remote PING command

 Enable Remote Management: Enable this option for remote access of the web

management interface.

 Enable VPN Pass Through: If you have VPN servers in your local area network, you

need to turn on the VPN pass through to allow remote access to the VPN networks.

4.2.3 Virtual Server

Internet Settings -> Virtual Server

Virtual server allows you to specify one or more applications running on server computers on the LAN that may be accessed by any Internet user. Internet data destined for the specified public port will be directed to the specified private port number on the LAN client with the specified private IP address.

If you want to allow your web server, ftp server, or email server to be accessible from Internet, you would need to open specific port on the virtual server to your local IP address.

The N.Power feature “Copy PC” and “Pre-defined” services to simply the process of creating virtual server.

Example1: Open FTP service to your PC

6. Step 1: Enable the Virtual Server function

7. Step 2: Click on “Copy PC” icon to copy the IP address of your PC.

8. Step 3: Click on “Pre-Define” for a list of popular service and select “FTP”.

9. Step 4: Click on “Apply” and the new virtual server should appear on table list.

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For a list of most frequent used TCP and UDP ports. Please visit

http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers

4.2.4 DMZ

Internet Settings -> DMZ

DMZ opens all TCP/UDP ports to particular IP address on the LAN side. It is used mostly for setting gaming servers behind the N.Power.

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4.2.5 URL Filtering

Internet Settings -> URL Filtering

The N.Power provides URL filter function to stop access to certain website. It is useful for parents to stop children from accessing some websites.

4.2.6 MAC Filtering

Internet Settings -> MAC Filtering

MAC filter can filter out traffic from certain MAC addresses. It can prevent access to internet from certain stations in the local LAN. Please enter the MAC address in XX-XX-XX-XX-XX format. For example: 00-4F-66-11-22-33

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4.2.7 IP Filtering

Internet Settings -> IP Filtering

IP filtering allows you to block certain IP addresses from accessing the network.

4.2.8 DDNS

Internet Settings -> DDNS

Dynamic Domain Name System. An algorithm that allows the use of dynamic IP address for hosting Internet Server. A DDNS service provides each user account with a domain name. The N.Power support “Dyndns.org”, “zoneedit.com” and “no-ip.com” service.

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4.2.9 Static Route

Internet Settings -> Static Route

Static Route allows you to setup the routing table manually.

4.3 FTP Function

The N.Power’s USB port supports file sharing through FTP function. You can plug in the USB storage into the USB port for quick file sharing with your friends and family. Before you start, please notice the following requirements and restrictions for FTP function.

 The FTP function is only available in Router mode

 Only USB storages using FAT or FAT32 file formats are supported.

 The FTP functions only support file names with western alphabets (such as

English).

 When using a USB hard disk with N.Power, external power adapter is required for

the USB hard disk.

 Do not insert or remove the USB storage when the router is power on. Unplug

the power before remove or insert the USB storage.

 The N.Power support anonymous or password FTP accounts. Up to 3 password

accounts are supported.

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The FTP configuration can be found in the “Internet Settings” menu. By default, it is disabled. You must enable the option to start FTP. Please remember to click on “Apply” button after finish settings.

 Enable FTP Server: By default, the FTP server is disabled. Please enable by

checking the box and press “Apply” button.

 Service Port: You can change the TCP/UDP port for FTP access here. The

default is port 21; it is advised to leave the settings at default. When you change the service port, the FTP link will also change. For example, if you change service port to 2121. The LAN FTP Link will become ftp://192.168.1.254:2121.

 Internet Link: The N.Power will automatically display the Internet FTP link so

you can copy and email to your friends for access. This link is for FTP access via Internet.

 Local LAN Link: This is the link on the local LAN where you can access the

content of the FTP file sharing. Press the “Copy Link” button and paste it to your browser for access.

 Account Type: There are 2 different FTP account types.

 Anonymous (No Password): There is no password protection for this

account type. Anyone can access the FTP directory. The access is “Read only”. That means you can download files but not upload.

 Password: Up to 3 users account can be configured. Each requires

username and password to access. Each user can have different sharing directory. You can choose “Read” and/or “Write” access for each account type. When you choose the “Password” Account Type. The following “Account Table” will appear:

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 Username: Name of the user’s account  Password: The password required for FTP access  Read: The ability to read/download from the N.Power. This should be turned

 Write: The ability to write/upload files to the N.Power.  Directory: This will determine the sharing directory for N.Power. You can

enter the path manually (it starts with “/media/”), or click on the “Browse”

button to choose the directory. The N.Power can read into 5 levels of directory depth.

 Browse: You can choose a directory to share by using file browser. Please

click on the “Directory Icon” to navigate up and down the directory tree. After finish, please click on “

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4.4 Wireless Settings Menu

When you select “Wireless Settings” on the top menu; the following screen will appear:

4.4.1 Regulatory Domain

Wireless Settings -> Regulatory Domain

The Regulatory Domain decides what channels and Tx output power levels are available for your country. In most cases, the Regulatory Domain is already selected correctly for your country. Please note that using the wrong Regulatory Domain is strictly prohibited. If you live inside EU, you must use the ETSI Regulatory Domain. If you live in United States, you must use FCC domain.

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The N.Power is available with the following Regulatory Domain:

Regulatory Domain Available

Channels

Maximum Tx Output Power

ETSI (Europe) 1 ~13 20dBm

FCC (United States) 1~11 23dBm

South America(11 CH) 1~11 30dBm

South America(14 CH) 1~14 30dBm

4.4.2 Multiple SSID

Wireless Settings -> Multiple SSID

Multiple SSID allows N.Power to create up to 4 different wireless networks (SSID). It is

also known as “Virtual AP” function. Each SSID can have its Encryption policy. The SSID1 is the main SSID under Wireless Setting page.

 Hide SSID: The wireless network will become invisible, only accessible to people who

knows the SSID name.

 Enable Isolation between SSIDs: Enable this option will disable traffic between

different SSIDs.

4.4.3 Channel

Wireless Settings -> Channel

The channel is the frequency range used by radio. In 802.11g/b standard, there are maximum of 14 Channels. However, the available channels in each country are dependant on the local regulation. If you are living in Europe, you can use channel 1 to 13. If you are living in the United States, you can use channel 1 to 11.

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Each wireless channel takes between 22 to 25MHz of frequency width. But the channels are only 5MHz apart. Therefore, only every 5 channels can be free of interference with each other. It is recommended that you can do a site survey to find about what channels are used by surrounding AP and choose a channel that is not used by other APs.

4.4.4 Wireless Security

Wireless Settings -> Wireless Security

You should set up the wireless security immediately to ensure the security of your data transmission and to prevent the unauthorized access. The easiest way to setup encryption

is to use the “Setup Wizard”. It automatically chooses the most secured and easiest scheme for your wireless security settings

. However, if you wish to choose your own

encryption scheme, the N.Power offers various type of encryption including WEP, WPA-PSK, WPA, WPA2, WPA2-PSK encryptions method. In general, the WPA-PSK and WPA2-PSK are the most popular and secured encryption scheme.

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Procedure to make encryption

 Step1: Select your SSID: If you have enabled the “Multiple SSID” function, there will

be more than one SSID to choose from. Each SSID (Virtual AP) can have its own security policy.

 Step2: Select Security Policy: N.Power offers a full suite of security policy including

WEP(Pre-Shared Key), WPA(certificate), WPA-PSK(AES), WPA2-PSK(AES), and

802.1x Radius Authentication. Recently WiFi regulation prevents the use of TKIP

encryption in 11n mode. Therefore, the TKIP is only available in 11b/g mode. We

highly recommend using WPA2-PSK AES Encryption as the easiest and much secured scheme for encryption.

4.4.5 Access Control

Wireless Settings -> Access Control

The N.Power allows you to define a list of MAC addresses that are allowed or denied to access the wireless network. This function is available only for Access Point and AP Router modes. This function is available only for Access Point and Gateway modes.

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 Disable: When selected, no MAC address filtering will be performed.



Allow list: When selected, data traffic from only the specified devices in the

table will be allowed in the network.



Deny list: When selected, data traffic from the devices specified in the table

will be denied/discarded by the network.

4.4.6 Bandwidth Control

Wireless Settings -> Bandwidth Control

The N.Power can limit the bandwidth by IP address or MAC address. Please first enable the Bandwidth Control, and then select IP Control or MAC Control.

 Enable Bandwidth Control: Check this box and press “Apply Change” to

enable bandwidth control

 IP Control: To limit the bandwidth of one single IP address.  MAC Control: To limit the bandwidth of one single MAC address.  Upload Bandwidth: please input upstream bandwidth limit in Kbps  Download Bandwidth: please input downstream bandwidth limit in Kbps  Comment: note for the bandwidth policy

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4.4.7 Associated Client

Wireless Settings -> Associated Client

You can check the wireless clients’ status on this table

 MAC Address: MAC address of the wireless clients. If you need to find the IP

address, please go to Status->Client Table menu.

 Power Saving: 0: The power saving mode is off. 1: The power saving mode is on.  Modulation: Show the which MCS level is used in 11n mode  Channel Width: This indicates whether client is using 20MHz or 40MHz channel

width.

 RSSI (dBm): The signal strength of the client device.  Time (Sec): The connected time of the wireless client.

4.4.8 Advanced Settings

Wireless Settings -> Advance Settings

 Channel Width: You can choose 20MHz or 20/40MHz channel width. Choose

20MHz for compliance with laws in some countries. 40MHz offers faster performance than 20MHz

 Guard Interval: Guard interval is placed at the beginning of each transmission. It is

used to reduce the interference effect of multi-path transmissions. The use of long Guard Interval may perform better in interference or multipath environment. However, it can reduce the performance.

 MCS (Modulation and Code Scheme): MCS level for the 11n mode. It is

recommended to leave it at Auto.

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 Decline BA Request: Enable this option to decline the Block ACK requests by other

devices.

 BG Protection: The 802.11g standard includes a protection mechanism to ensure

mixed 802.11b and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may mutually interfere and decrease network’s performance.

 Beacon Interval: The device broadcasts beacon frames regularly to announce its

existence. The beacon Interval specifies how often beacon frames are transmitted in

time unit of milliseconds. The default value is 100, and a valid value should be between

1 and 65,535.

 Fragmentation: When the size of a unicast frame exceeds the fragmentation

threshold, it will be fragmented before the transmission. It should have a value of 256-2346 bytes, with a default of 2346. If you experience a high packet error rate, you should slightly decrease the Fragmentation Threshold.

 RTS Threshold: RTS/CTS frames are used to gain control of the medium for

transmission. Any unicast (data or control) frames larger than specified RTS threshold must be transmitted following the RTS/CTS handshake exchange mechanism. The

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RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It

is recommended that this value does not deviate from the default too much.

 Short Preamble: A preamble is a signal used in wireless environment to synchronize

the transmitting timing including Synchronization and Start frame delimiter. In a "noisy" network environment, the Preamble Type should be set to Long Preamble. The Short Preamble is intended for applications where minimum overhead and maximum performance is desired. If in a "noisy" network environment, the performance will be decreased.

 Tx Burst and Packet Aggregate: These are the scheme used for improving the

performance of the data transmission in 11n and Turbo modes. It is recommended to keep the settings on.

 AckTimeOut: When a packet is sent out from one wireless station to the other, it will

wait for an Acknowledgement frame from the remote station. The station will only

wait for a certain amount of time; this time is called the ACK timeout. In most

conditions, please do not change the Tx and Rx Acktimeout value. The N.Power’s default value is correct in most cases.

4.4.9 WMM Settings

Wireless Settings -> WMM Settings

Wi-Fi Multimedia (WMM) is a standard to prioritize traffic for multimedia applications. The WMM Settings is to specify parameters on multiple data queue for better performance of differentiated wireless traffic like Voice-over-IP (VoIP), other types of audio, video, and streaming media as well as traditional IP data over the AP.

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Configure the WMM QoS Parameters

 AC Type

The queue and associated priorities and parameters for transmission are as follows:

 Data 0 (Be st Effort, B E): Medium priority queue, medium throughput and delay.

Most traditional IP data is sent to this queue.

 Data 1 (Background, BK): Lowest priority queue, high throughput. Bulk data

that requires maximum throughput and is not time-sensitive is sent to this queue (FTP data, for example):

 Data 2 (Video, VI): High priority queue, minimum delay. Time-sensitive data

such as Video and other streaming media are automatically sent to this queue.

 Data 3 (Voice, VO): Highest priority queue, minimum delay. Time-sensitive

data such as Voice over IP (VoIP) is automatically sent to this queue.

Packets in a higher priority queue will be transmitted before packets in a lower priority queue.

 ECWmin and ECWmax

If an access point detects that the medium is in use, it uses the DCF random backoff timer to determine the amount of time to wait before attempting to access a given channel again. Each access point waits some random period of time between retries.

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The wait time (initially a random value within a range specified as the Minimum Contention Window increases exponentially up to a specified limit Maximum Contention Window.

The random delay avoids most of the collisions that would occur if multiple APs got access to the medium at the same time and tried to transmit data simultaneously. The more active users you have on a network, the more significant the performance gains of the backoff timer will be in reducing the number of collisions and retransmissions.

The random backoff used by the access point is a configurable parameter. To describe

the random delay, a "Minimum Contention Window" (ECWMin) and a "Maximum Contention Window" (ECWMax) is defined.

 ECWmin: The value specified for the Minimum Contention Window is the

upper limit of a range for the initial random backoff wait time. The number used in the random backoff is initially a random number between 0 and the number defined for the Minimum Contention Window.

 ECWmax: If the first random backoff time ends before successful

transmission of the data frame, the access point increments a retry counter, and doubles the value of the random backoff window. The value specified in the Maximum Contention Window is the upper limit for this doubling of the random backoff. This doubling continues until either the data frame is sent or the Maximum Contention Window size is reached.

 AIFS

The Arbitration Inter-Frame Spacing (AIFs) specifies a wait time (in milliseconds) for data frames. 802.11e uses interframe spaces to regulate which frames get access to available channels and to coordinate wait times for transmission of different types of data. The AIFs ensures that multiple access points do not try sending data at the same time but instead wait until a channel is free. Valid values for AIFs are 1 through 255.

 Transmission Opportunity

The Transmission Opportunity (TXOP) is an interval of time when a WMM client station has the right to initiate transmissions onto the wireless medium. This value specifies (in milliseconds) the Transmission Opportunity (TXOP) for client stations; that is, the interval of time when a WMM client station has the right to initiate transmissions on the wireless network.

We recommend that you use the default settings on the WMM QoS page. Changing these values can lead to unexpected blockages of traffic on your wireless LAN, and the blockages might be difficult to diagnose.

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4.4.10 WDS Settings (Repeater)

This is known as WDS Repeater function. Enable this setting to allow remote WDS equipped AP to extend the wireless signal of N.Power. Up to 4 WDS repeaters can be connect with N.Power. WDS works by entering the wireless MAC addresses (also known as BSSID) of remote Access Points.

 Encryp Type: You can use one of the following 4 encryption type.

 None: No encryption is made. This is not recommended as it posts serious

security issue.

 WEP: This is the most compatible type. However, it is also easier for

hackers to break. Use this only if AES or TKIP doesn’t work.

 TKIP: Temporal Key Integrity Protocol, TKIP is more secured than WEP but

less secure than AES.

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 AES: The most secured encryption method. It is highly recommended to

use this method unless for compatibility issue.

 Encryp Key: Please enter your encryption key here.  MAC Address: Please enter the Wireless MAC address or BSSID of the remote

Bridge. You can usually find it at remote Bridge’s device label.

4.4.11 WPS Settings

Example1: Using Hardware Push button

Please push WPS button directly on the back of the N.Power. The “WPS” LED flash will light and the N.Power will start to survey the client’s WPS signal in the current environment.

Please be noticed that, within two minutes, you have to turn on the utility of your wireless network card and click PBC to connect automatically.

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Example 2: WPS Using PIN

Please login N.Power’s Web UI. Select Wireless Setting Æ WPS Setting. In the WPS Progress, select “PIN” then “Apply.” You will get a PIN Code.

PIN Code

Then, please turn on the utility of your wireless network card. Choose WPS mode to “Registrar” and enter the PIN Code. Press “PIN” and the connection will automatically configure.

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In this chapter, we will explain about System Configurations Menu and the Status Menu of the web management interface. Please be sure to read through Chapter 3’s “Introduction to Web Management” first.

5.1 Menu Structure

When you click on the “System Configuration” menu on the top menu bar, the following screen will appear. The system configuration includes all non-wireless settings. We will explain their functions here.

5. System Configuration

and Status Menu

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5.2 LAN Interface Setup

System Configuration>> LAN Interface Setup

This menu is where you can configure all the aspect about LAN interface including IP address, DHCP server settings..etc.

Device IP Settings

DHCP Settings

5.2.1 DHCP Settings

 DHCP Service: You can enable or disable DHCP server here.

z Disable: Disable DHCP server. By default, the DHCP server is OFF

in AP, Client, and WDS Bridge mode.

z Server: The N.Power will act as DHCP server to provide IP addresses

to the clients on the LAN/Wireless interface. By default, the DHCP server is on in router mode.

 DHCP Client Range: You can define the IP pool from which the DHCP clients can

get IP address. Click on “Show Clients” to see the current DHCP client table.

 Lease Time: You can define how long the N.Power will reserve IP address for a

particular PC or Devices here.

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5.2.2 Add DHCP Static Lease Client

If you want to lock IP address to a MAC address, you should add DHCP clients to the “Static DHCP Client”. Up to 40 entries can be entered. Below is the procedure for adding an entry:

5. 1. Enter the MAC address of the device

6. 2. Enter the IP address of the device

7. 3. Click on the “Add” button

5.3 Time S ettings

System Configuration ->Time Settings

You can set the N.Power’s internal system clock by 2 methods. First is to enter the time manually. Second is to set the time by NTP server. We strongly recommend setting the time by NTP server because it will sync the time with remote server even after power recycling. In another word, you will not lose time settings after power off.

 Sync with Host: Push this button to copy the time from your PC  Time Zone: Select your nearby city here  NTP Server: This is the time server where your N.Power will sync the time with.  NTP Synchronization: How often your N.Power will sync the time with remote NTP

server.

Please remember to apply change after completing all settings.

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5.4 Password Settings

System Configuration -> Password Settings

You can change your username and password from the image below:

5.5 Power Saving (Green AP)

System Configuration -> Power Saving

The power saving scheduling function allows user to define the wireless service time and output power level. It can be used to conserve the energy of your AP. Please remember to set the time first

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5.6 Firmware Upgrade

System Configuration -> Firmware Upgrade

You can upgrade the firmware of your N.Power (the software that controls your N.Power’s operation). Normally, this is done when a new version of firmware offers new features that you want, or solves problems that you have encountered with the current version.

 Upgrade Firmware:

To update the N.Power firmware, first download the firmware from AirLive web site to your local disk. Then from the above screen enter the path and filename of the

firmware file (or click Browse to locate the firmware file). Next, Click the Apply button

to start.

The new firmware will be loaded to your N.Power. After a message appears telling you that the operation is completed, you need to reset the system to have the new firmware take effect.

Do not power off the device while upgrading the firmware. It is recommended that you do not upgrade your N.Power unless the new firmware has new features you need or if it has a fix to a problem that you’ve encountered.

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5.7 Configuration Save and Restore

System Configuration -> Configuration Save and Restore

The N.Power can save and restore the settings to a file.

You can save system configuration settings to a file, and later download it back to the N.Power

 Export Settings: Export the configuration file to your PC so you can restore the

settings later.

 Import Settings file location: Please browse for the configuration file location for

restoration of settings

5.8 Factory Default

System Configuration -> Factory Default

You can reset the configuration of your N.Power to the factory default settings.

5.9 Status Menu

5.9.1 Device Information

From this menu, you can know the Firmware version, System Up time, IP and MAC addresses, and check whether the USB Storage is connected.

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5.9.2 Statistic

The Statistic menu displays the memory status, WAN traffic, LAN traffic, and WLAN traffic conditions.

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5.9.3 Client Table

The Client Table is also known as ARP table. It will show all the IP and MAC addresses of the devices that pass N.Power.

5.9.4 LOG

When you enable the log function, system will keep records of events and errors detected.

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In this chapter, we will explain about the wireless settings for AP Mode. Please be sure to

read through Chapter 1.4 and Chapter 3’s “Wireless Operation Mode” first.

6.1 Application for AP Mode

802.11 b/g/n devices can connect to AP mode through “Client Mode.

6.2 Wireless Settings

6 . AP Mode

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6.2.1 Regulatory Domain

Wireless Settings -> Regulatory Domain

The N.Power is available with the following Regulatory Domain:

Regulatory Domain Available

Channels

Maximum Tx Output Power

ETSI (Europe) 1 ~13 20dBm

FCC (United States) 1~11 23dBm

South America(11 CH) 1~11 30dBm

South America(14 CH) 1~14 30dBm

6.2.2 Multiple SSID

Wireless Settings -> Multiple SSID

Multiple SSID allows N.Power to create up to 4 different wireless networks (SSID). It is

also known as “Virtual AP” function. Each SSID can have its Encryption policy. The SSID1 is the main SSID under Wireless Setting page.

 Hide SSID: The wireless network will become invisible, only accessible to people who

knows the SSID name.

 Enable Isolation between SSIDs: Enable this option will disable traffic between

different SSIDs.

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6.2.3 Channel

Wireless Settings -> Channel

6.2.4 Wireless Security

Wireless Settings -> Wireless Security

You should set up the wireless security immediately to ensure the security of your data transmission and to prevent the unauthorized access. The easiest way to setup encryption

is to use the “Setup Wizard”. It automatically chooses the most secured and easiest scheme for your wireless security settings

. However, if you wish to choose your own

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Procedure to make encryption

 Step1: Select your SSID: If you have enabled the “Multiple SSID” function, there will

be more than one SSID to choose from. Each SSID(Virtual AP) can have its own security policy.

 Step2: Select Security Policy: N.Power offers a full suite of security policy including

WEP(Pre-Shared Key), WPA(certificate), WPA-PSK(AES), WPA2-PSK(AES), and

802.1x Radius Authentication. Recently WiFi regulation prevents the use of TKIP

encryption in 11n mode. Therefore, the TKIP is only available in 11b/g mode. We

highly recommend using WPA2-PSK AES Encryption as the easiest and very secured scheme for encryption.

6.2.5 Access Control

Wireless Settings -> Access Control

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

Disable: When selected, no MAC address filtering will be performed.



Allow list: When selected, data traffic from only the specified devices in the

table will be allowed in the network.



Deny list: When selected, data traffic from the devices specified in the table

will be denied/discarded by the network.

6.2.6 Associated Client

Wireless Settings -> Associated Client

You can check the wireless clients’ status on this table

 MAC Address: MAC address of the wireless clients. If you need to find the IP

address, please go to Status->Client Table menu.

wdith.

 RSSI (dBm): The signal strength of the client device.  Time (Sec): The connected time of the wireless client.

6.2.7 Advanced Settings

Wireless Settings -> Advance Settings

 Channel Width: You can choose 20MHz or 20/40MHz channel width. Choose

20MHz for compliance with laws in some countries. 40MHz offers faster performance than 20MHz

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 Guard Interval: Guard interval is placed at the beginning of each transmission. It is

used to reduce the interference effect of multi-path transmissions. The use of long Guard Interval may perform better in interference or multipath environment. However, it can reduce the performance.

 MCS (Modulation and Code Scheme): MCS level for the 11n mode. It is

recommended to leave it at Auto.

 Decline BA Request: Enable this option to decline the Block ACK requests by other

devices.

 BG Protection: The 802.11g standard includes a protection mechanism to ensure

mixed 802.11b and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may mutually interfere and decrease network’s performance.

 Beacon Interval: The device broadcasts beacon frames regularly to announce its

existence. The beacon Interval specifies how often beacon frames are transmitted in

time unit of milliseconds. The default value is 100, and a valid value should be between

1 and 65,535.

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6. AP Mode

61 AirLive N.Power User’s Manual